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Green rectangular DDR4 UDIMM module with 288 gold contacts and black memory chips visible on both sides

SAMSUNG

SAMSUNG M378A4G43MB1-CTD 32GB DDR4 2666MHz CL19 1.2V UDIMM desktop RAM

SKU CH-8A6C-ZJ49E

32 GB DDR4 UDIMM running at 2666 MHz with CL19 latency and 1.2 V operation

  • Capacity32GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • Buffered/RegisteredUnbuffered / Unregistered
  • 32 GB capacity supports heavy multitasking and large workloads
  • DDR4 2666 MHz speed delivers responsive data throughput
  • CL19 latency and 1.2 V voltage balance performance with efficiency
  • 288-pin UDIMM form factor fits standard desktop motherboards
  • Unbuffered non-ECC design ensures broad consumer platform compatibility

32 GB DDR4 2666 UDIMM

This Samsung module provides 32 GB of DDR4 memory at 2666 MHz with CL19 latency. It is an unbuffered, non-ECC UDIMM built for standard desktop platforms. The 288-pin design fits common consumer motherboards. It targets users who need a single high-capacity stick for workstations or general upgrades.

1.2 V operation and green PCB

The module runs at 1.20 V, keeping power draw low during typical desktop workloads. No heat spreader is present, so the bare green PCB relies on case airflow for cooling. Passive operation means no fan noise is added to the system. Thermal behaviour will follow the chassis ventilation provided.

Component layout (2G x 8) x 16

Sixteen chips in a (2G x 8) x 16 arrangement deliver the 32 GB density without buffering or ECC. The supplier stress-tests each unit under load to verify stability before shipment. No bundled software, LEDs or extra accessories are included with the module. The bare stick is ready for direct installation.

商品特色

  • 32 GB capacity supports heavy multitasking and large workloads
  • DDR4 2666 MHz speed delivers responsive data throughput
  • CL19 latency and 1.2 V voltage balance performance with efficiency
  • 288-pin UDIMM form factor fits standard desktop motherboards
  • Unbuffered non-ECC design ensures broad consumer platform compatibility

商品規格

BrandSAMSUNG
ModelM378A4G43MB1-CTD
Capacity32GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered / Unregistered
ColorGreen
Heat SpreaderNo
LED ColorNone

商品問答

Will this 32GB DDR4 2666MHz module fit my desktop motherboard?

The module uses the standard 288-pin UDIMM form factor for DDR4 desktop memory. Check your motherboard manual to confirm it supports DDR4 UDIMM modules up to 32GB per slot.

Is this RAM compatible with a system that requires ECC memory?

No. This is a non-ECC unbuffered module. It will not provide error-correcting code functionality and should not be used in platforms that require registered or ECC DIMMs.

What does the CL19 latency mean for everyday performance?

CL19 indicates the CAS latency timing at 2666MHz. For general desktop workloads and gaming, this is a standard JEDEC timing that delivers stable plug-and-play operation without manual BIOS tuning.

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